Adds the Lift Gamma Gain shader which lets users adjust brightness and color of shadows, midtones and highlights. Adds the Curves shader which uses S-curves to adjust the contrast of the image Adds the Splitscreen shader which makes it easier to do comparison screenshots and videos. Reversed the DPX blend setting so smaller numbers now mean less effect and not more (it's more logical this way) Better default DPX settings More conservative default Vibrance settings (down from 0.20 to 0.15) All settings in the settings file now have ranges. (preparations for an upcoming GUI)